Vinyltrimethoxysilane
Vinyltrimethoxysilane (CAS: 2768-02-7), with the linear formula H₂C=CHSi(OCH₃)₃ and a molecular weight of 148.23 g/mol, is a versatile organosilicon compound. This liquid chemical functions primarily as a coupling agent and crosslinker. It is extensively utilized in materials science and chemical synthesis for enhancing adhesion and modifying material properties, particularly in polymers and composites.
- IUPAC
- (Trimethoxysilyl)ethylene,Ethenyltrimethoxysilane,Trimethoxy(vinyl)silane
- Synonyms
- EthenyltrimethoxysilaneTrimethoxy(vinyl)silane(Trimethoxysilyl)ethylene
Adhesion Promoter
Vinyltrimethoxysilane acts as a crucial adhesion promoter between organic polymers and inorganic substrates. Its unique structure allows it to form strong covalent bonds, improving the durability and performance of composite materials and coatings.
Crosslinking Agent
This silane is employed as a crosslinking agent in polymer systems, such as polyethylene and silicone rubbers. It enhances the mechanical strength, thermal stability, and chemical resistance of the final polymer products.
Surface Modifier
Vinyltrimethoxysilane can modify the surface properties of various materials, including glass and fillers. This modification facilitates better integration into polymer matrices, leading to improved composite performance.
Intermediate in Synthesis
It serves as a valuable intermediate in the synthesis of more complex organosilicon compounds and specialty polymers. Its reactive vinyl and methoxy groups offer versatile reaction pathways for organic and materials chemists.
| Molecular weight | 148.23 |
|---|---|
| Linear formula | H2C=CHSi(OCH3)3 |
| Assay | 98% |
| Form | liquid |
| Boiling point | 123 °C(lit.) |
| Density | 0.968 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.392(lit.) |
Hazard statements
- H225Highly flammable liquid and vapour
- H332Harmful if inhaled
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 22 °C / 71.6 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-20 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Vinyltrimethoxysilane used for?
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Vinyltrimethoxysilane (CAS: 2768-02-7) is primarily used as an adhesion promoter and crosslinking agent in materials science and chemical synthesis. It improves the bonding between inorganic surfaces and organic polymers and enhances the properties of polymers like polyethylene and silicone rubber.
What is the CAS number and formula for Vinyltrimethoxysilane?
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The CAS number for Vinyltrimethoxysilane is 2768-02-7, and its linear formula is H₂C=CHSi(OCH₃)₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Vinyltrimethoxysilane with an assay of 98%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and industrial applications.
What are the primary safety hazards associated with Vinyltrimethoxysilane?
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Vinyltrimethoxysilane is a flammable liquid and vapour (H225) and is harmful if inhaled (H332). It requires careful handling with appropriate personal protective equipment, including respiratory protection, gloves, and eye protection, in a well-ventilated area.
How is Vinyltrimethoxysilane packed and shipped?
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Vinyltrimethoxysilane is supplied as a liquid and is typically packed in UN-approved containers suitable for flammable liquids. It is exported globally by Tech Serve Solutions, adhering to all relevant transportation regulations.
How can I request a quote or sample?
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To request a quote or a sample of Vinyltrimethoxysilane, please contact our sales team through the website or by phone. We are happy to assist with your specific requirements.
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